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Pentax A SMC 28mm f/2.8 : Specifications and Opinions

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The Pentax A SMC 28mm f/2.8 is a wide-angle lens for FF and APS-C, manufactured from 1984 to 1988 (discontinued). The focus is done by Manual Focus, it does not have image stabilization. The average price was 100 €;

11 users have given it an average vote of 8.7 out of 10.

Specifications
Focal lenght	28 mm
Angle of view	75.4°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	5
Lenses/Groups	7 elements in 7 groups
Min. focus distance	0.30 meters
Reproduction ratio	0.12x
Features
Stabilization	No
Focus	Manual Focus
Internal Focus	No
Built and notes
Tripod ring	No
Extenders	No
Filters	49 mm
Lens hood	Yes (not supplied)
Weather sealing	No
Weight	167 g
Dimensions	63 x 36.5 mm
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Riky96

sent on December 18, 2021

Pros: Sharpness, lightness, brightness sensation during use, presence of the diaphragm ring, presence of the hyperfocal scale

Cons: Manual focusing not always very easy without frosted slide, some purple fringing

Opinion: Lens of another era that does not disfigure in the slightest in the face of moving technologies. Mechanically perfect although it has plastic parts, sharp from f5.6 on the whole frame, good color rendering. I use it for landscaping and portraits on apsc, in some cases it has a great blur if the background lends itself. For the price it has I would say a must have. In the backlight it has no obvious flares. Rating 8.5

EDstrg

sent on August 19, 2018

Pros: Sharpness, bright, compact and light

Cons: On APS-C remains a bit ' short, sometimes tends to have magenta reflexes (while still a lens 30 and more years ago...)

Opinion: Using mainly manual focus is one of the lenses I use and I love the most; It is found at human prices and has a more than good quality even on very dense sensors (I use it mainly on a K3) while the focus ring turns well and is very precise. It is light and even in a bag it does not occupy that much space. On certain occasions of light tends to have magenta reflexes but with a lens hood you can usually avoid them. Recommended to anyone who has a Pentax DSLR since putting the ring nut in position a you can get full control of the automatisms.

Lgjo90

sent on December 28, 2016

Pros: Sharpness, good brightness, build quality, color

Cons: For the price no one

Opinion: Bought on ebay for 50 euro, is very good perspective in terms of sharpness (also 2.8) and colors, balanced and beautiful to vedere.rnLa construction is very good, the impression of a lens hold solid and metallic ; the same applies to the aperture ring, fluid and precisa.rnSu Pentax SLR can be used in robotics, specifically iris control of the car and the confirmation of set-fuoco.rnOttica fixed absolutely recommended for both aps-c for both full-frame ( Pentax K1).

Stefano Banda

sent on October 27, 2016

Pros: Sharpness even at f / 2.8, ability to use aperture priority via camera, made of very natural colors, sturdy construction

Cons: On APS-C becomes a focal almost standard, you have to learn (or relearn) the manual focus

Opinion: I have kept this lens since the film (I bought it in 1986), and today I understand that I did bene.rnTanto glass and metal, smooth and extremely precise ferrules, metal coupling, scale pdc; all things unknown to modern analogues objectives (at least those from the price "human") that leave you the impression of a test object bomba.rnLa made then is truly remarkable. Crisp even at full aperture, and with very few aberrations, except in very strong contrasts and still be eliminated in an instant. The colors are rendered in a very natural way, with a slight tendency to the warm tones that I personally do not mind at all. Also, something to be reckoned with, putting the aperture ring to the "A" you can adjust the aperture directly from the camera, even at 1/3 stop intervals, which allows you to concentrate on the composition scatto.rnSul APS -C becomes a 42 mm but, despite losing the wide angle of view, it is more difficult to remove the subject from the background because it keeps pur always a 28 mm optical structure and consequently a large pdc.rnCerto, forces you to brush up (or find out) the manual focus, which can give a headache to those born "photographically" with the digital and the ' autofocus, but for those who grew up with the rollers, use this view it is a treat, and can make the happiness of the holders of the new Pentax K-1.

Nixo

sent on October 06, 2014

Pros: Focal "normal" on Aps-c, manual or automatic aperture ring, focus, ability to be used as a macro lens statement.

Cons: None in particular, if you really want to nitpick some chromatic aberration in borderline cases (not forgetting that this is a vintage lens ...), bokeh sometimes a bit 'nervous.

Opinion: Objective format that used in Aps-c is a normal good for me for landscapes, street, shots every day, and within view of the good photographs luminosità.rnQualche chromatic aberration in difficult light conditions, nothing to worry about, however, all easily correctable in PP.rnBokeh when shooting close-up is not just great, but I do not think what you are looking for a 28mm ... rnNon least, given the possibility to use the aperture ring in the manual, can be mounted inverted (thanks to a reverse macro ring, which costs a few euros), really pushed for macro magnification over 2x.

There are 1 more reviews. Show all »

Photos taken with Pentax A SMC 28mm f/2.8

Personality

by Benedetta Longagnani
16 comments, 821 views

HI RES 16.4 MP

Sunset over the gulf

by Dargiu
2 comments, 1311 views

HI RES 24.0 MP

Ghosts

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13 comments, 911 views

HI RES 33.5 MP

Mystical landscapes

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16 comments, 1147 views

HI RES 33.5 MP

You go towards winter, 1:1

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17 comments, 1066 views

HI RES 22.3 MP

Landscape

by Phsystem
12 comments, 2673 views

HI RES 8.1 MP

Untitled Photo

by Matte_97
3 comments, 1536 views

HI RES 10.8 MP

The world in a drop

by Nixo
2 comments, 1581 views

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My comic

by Andrewvisk
5 comments, 1588 views

HI RES 13.7 MP

Mushrooms

by GiovanniT_
6 comments, 862 views

HI RES 20.8 MP

Sunflower

by Phsystem
0 comments, 3432 views

HI RES 24.6 MP

Fog

by GiovanniT_
12 comments, 892 views

HI RES 33.5 MP

Smart Lock Down(Mount Gordo 20)

by Vitvit1970
0 comments, 727 views

HI RES 23.8 MP

Sunset in Peschiera del Garda

by Mfu1
7 comments, 1073 views

Color palette

by Benedetta Longagnani
2 comments, 357 views

HI RES 17.0 MP

Borderà com gato preto

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0 comments, 639 views

HI RES 6.0 MP

8's tongue

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1 comments, 968 views

HI RES 6.0 MP

Satina

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2 comments, 805 views

HI RES 28.1 MP

Rua com gato preto

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7 comments, 756 views

HI RES 6.0 MP

Radioactivity(Monte gordo 20)

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2 comments, 685 views

Autumn on the Mincio

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5 comments, 414 views

Pantheon

by PabloF
0 comments, 866 views

Untitled Photo

by Matte_97
3 comments, 1638 views

Port Panorama

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4 comments, 1259 views

HI RES 17.7 MP

Sunset

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1 comments, 263 views

HI RES 13.4 MP

Untitled Photo

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4 comments, 1446 views

HI RES 17.9 MP

Champs Elysees

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0 comments, 1381 views

HI RES 17.2 MP

Untitled Photo

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2 comments, 1257 views

Cigarette before prayer

by IoRobot_98
2 comments, 316 views

Undergrowth

by Ale_P
5 comments, 519 views

HI RES 24.0 MP

Wind...

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3 comments, 1075 views

HI RES 20.0 MP

Recovery Network

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0 comments, 488 views

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Shadows and Perspectives

by PabloF
0 comments, 510 views

Lake Dobbiaco

by Andrewvisk
2 comments, 355 views

HI RES 22.3 MP

Afternoon Sicilian current

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1 comments, 1162 views

The frames have importance ...

by Andrewvisk
0 comments, 859 views

HI RES 19.6 MP

Canale di Mezzo, Peschiera

by Mfu1
0 comments, 339 views

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Reviews » Lenses » Lenses Pentax » Pentax A SMC 28mm f/2.8

Pentax A SMC 28mm f/2.8 : Specifications and Opinions

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Reviews

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Photos taken with Pentax A SMC 28mm f/2.8